52063861 has 4 divisors (see below), whose sum is σ = 53046252. Its totient is φ = 51081472.

The previous prime is 52063813. The next prime is 52063867. The reversal of 52063861 is 16836025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47679025 + 4384836 = 6905^2 + 2094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52063861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52063867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491116 + ... + 491221.

It is an arithmetic number, because the mean of its divisors is an integer number (13261563).

Almost surely, 2^52063861 is an apocalyptic number.

It is an amenable number.

52063861 is a deficient number, since it is larger than the sum of its proper divisors (982391).

52063861 is an equidigital number, since it uses as much as digits as its factorization.

52063861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982390.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 52063861 is about 7215.5291559247. The cubic root of 52063861 is about 373.4038492615.

Adding to 52063861 its reverse (16836025), we get a palindrome (68899886).

The spelling of 52063861 in words is "fifty-two million, sixty-three thousand, eight hundred sixty-one".